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PERTEMUAN 2. PENGANTAR ELEKTRONIKA DASAR. SATUAN INTERNASIONAL. Panjang (L) =meter Massa (m)= Kg Waktu (t) = sekon Arus Listrik (I) =ampere Muatan listrik (Q) = coloumb Tegangan listrik (E,V,U)= volt Daya listrik (P)= watt Energi / usaha (W)= joule,KWH Resistansi (R) =ohm

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pertemuan 2

PERTEMUAN 2

PENGANTAR ELEKTRONIKA DASAR

satuan internasional
SATUAN INTERNASIONAL
  • Panjang (L) =meter
  • Massa (m)= Kg
  • Waktu(t) =sekon
  • ArusListrik(I) =ampere
  • Muatanlistrik(Q) =coloumb
  • Teganganlistrik (E,V,U)= volt
  • Dayalistrik (P)= watt
  • Energi/ usaha (W)= joule,KWH
  • Resistansi (R) =ohm
  • Induktansi ( L, XL)=henry
  • Gaya (F)= newton
  • Frekuensi (f)= Herzt
  • Intensitascahaya(J)=candela
  • Temperatur(T)= derajatcelvin
  • Resistifitas (ᵨ)=Ohm meter
  • Konduktifitas(K) siemens/meter
  • Konduktansi (G)= siemens (Mho)
elektron dan proton
ELEKTRON DAN PROTON
  • Padadasarnyatiapbendaterdiridariduajenispartikelyaitu: proton danelektron
  • Proton mempunyaimasksa 1,66x10 -27 kg
  • Elektronmempunyaimassa 9,1x10 -31 kg
  • Sebuahelektronmempunyaimuatanlistrik sebesar1,602x10-19 Coloumb
  • Satucoloumb = 6,24x1018elktron
slide4

Q=Ixt (coloumb) yaitukemampuanalatlistrikuntukmenyimpanataumembuangaruslistrik(I) selamawaktutertentu.

  • Penemulistrik = Charlessaugustin de coloumb (1736-18060
  • PenemuAruslistrik =Andre marie ampere(1755-1836)
slide5

Tegangan (V) = Beda potensialantaraduatitikygmempunyaiperbedaanjumlahmuatan.

  • Satuan volt adalahperubahanenergisebesarsatu joule ygdialamiolehsatucoloumbmuatanlistrik.
  • Alex andrevolta (1748-1827)
  • V=W/Q
  • Energi= kapasitasuntukmelakukankerja
  • Satu joule= energiygdiperolehsuatubendajikagayasebesarsatunewtonmenggerakanbendasejauh 1 meter.
  • Prescout joule (1818-1889)
  • W=Q.V
  • W=F.S
  • Daya (P) = besarnyaenergiygdigunakanuntukmelakukanusahadalamsetiapdetik.
  • P=W/t dalamrangkaianlistrik P=V2/R
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